1  
 2  //              Copyright Catch2 Authors
 3  // Distributed under the Boost Software License, Version 1.0.
 4  //   (See accompanying file LICENSE.txt or copy at
 5  //        https://www.boost.org/LICENSE_1_0.txt)
 6  
 7  // SPDX-License-Identifier: BSL-1.0
 8  
 9  #include <catch2/internal/catch_floating_point_helpers.hpp>
10  
11  #include <cstring>
12  
13  namespace Catch {
14      namespace Detail {
15  
16          uint32_t convertToBits(float f) {
17              static_assert(sizeof(float) == sizeof(uint32_t), "Important ULP matcher assumption violated");
18              uint32_t i;
19              std::memcpy(&i, &f, sizeof(f));
20              return i;
21          }
22  
23          uint64_t convertToBits(double d) {
24              static_assert(sizeof(double) == sizeof(uint64_t), "Important ULP matcher assumption violated");
25              uint64_t i;
26              std::memcpy(&i, &d, sizeof(d));
27              return i;
28          }
29  
30  #if defined( __GNUC__ ) || defined( __clang__ )
31  #    pragma GCC diagnostic push
32  #    pragma GCC diagnostic ignored "-Wfloat-equal"
33  #endif
34          bool directCompare( float lhs, float rhs ) { return lhs == rhs; }
35          bool directCompare( double lhs, double rhs ) { return lhs == rhs; }
36  #if defined( __GNUC__ ) || defined( __clang__ )
37  #    pragma GCC diagnostic pop
38  #endif
39  
40  
41      } // end namespace Detail
42  } // end namespace Catch
43